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Bose QuietComfort Ultra Headphones (2nd Gen) vs JBL Tune 780NC

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

BoseQuietComfort Ultra Headphones (2nd Gen)JBLTune 780NC
Overview
ReleasedSeptember 2025November 2025
Sound
TypeOver-earOver-ear
Noise cancellingYesYes
Transparency modeYesYes
Driver size–40 mm
Back–Closed
Impedance–32 ohms
Spatial audio with head trackingYes–
Bluetooth codecsSBC, AAC and aptX AdaptiveSBC, AAC and LC3
Lossless over USB-CYesNo
Drivers–40 mm dynamic; 10 Hz–20 kHz wireless or 10 Hz–40 kHz wired response
Noise cancelling detailQuiet Mode (full noise cancelling) and Aware Mode with ActiveSense, now smoother at damping sudden noise spikes; noise cancelling adjustable or fully off in the Bose app; CustomTune tailors sound and noise cancelling to your ears; wind block in custom modesAdaptive cancellation, Ambient Aware and TalkThru
Audio featuresBose Immersive Audio (Still keeps the virtual speakers in place as you turn your head; Motion lets them follow) and Cinema Mode; up to seven custom modes; adjustable EQ in the Bose app; lossless USB-C audio at 16-bit, 44.1 or 48 kHz; aptX Adaptive with Snapdragon Sound devices, which Bose says adapts to lossless audio and low latency; Gaming ModePersoni-Fi 3.0 and Spatial Sound; SBC, AAC, LC3, Auracast and ten-band EQ confirmed by Les Numériques
Hearing health–VoiceAware adjusts own-voice monitoring
Battery
Listening time (maker's claim)Up to 30 hoursUp to 50 hours
Battery life detailUp to 23 hours with Immersive Audio on; up to 45 hours with noise cancelling and Immersive Audio off; tested by Bose at 75 dB SPL; low-power standby when laid flat or put in the case; can be used while chargingUp to 76 hours with Bluetooth on and ANC off, 50 with both on; calls 45 hours without ANC or 41 with it. Maker PDF prose incorrectly says Bluetooth off, contradicted by its technical table and current UK page
Charging case–USB-C; 690 mAh, 3.7 V battery; two-hour full charge
Fast charging15 minutes gives up to 3 hours with noise cancelling on and Immersive Audio off (Bose's test footnote gives 2.5 hours); full charge in up to 3 hoursFive minutes supplies up to five hours
Design
Weight264 g225.2 g
Bluetooth5.46.0
Two devices at onceYesYes
Headphone cableYesYes
ControlsOn the right ear cup, a Bluetooth/power button, a multi-function button (play, pause, skip, calls and modes) and a capacitive volume strip (swipe for volume; touch and hold for a shortcut to Immersive Audio settings, Spotify Tap or the voice assistant); on-head detection pauses and resumes audio, answers calls and wakes the headphonesFive physical buttons; app assignments (Les Numériques)
MicrophonesFour microphones for calls, two on each ear cupFour total, including two beamforming call microphones
Fit and ear tipsAround-ear (circumaural) with an adjustable headband; removable protein leather cushions; plastic and aluminium build with polished metal yokes; folds for the carry caseFoldable over-ear design; closed back confirmed by Labo Fnac
Dimensions–Outer cups 96.3 × 78.8 mm; inner 60 × 42.5 mm; depth 21 mm
Works withBose app for iOS and Android; multipoint connection to two devices; Google Fast Pair; Spotify Tap; SimpleSync with a Bose Smart Soundbar or Bose Smart SpeakerGoogle Fast Pair, Microsoft Swift Pair and two devices; supplied 1.2 m USB-C-to-3.5 mm analogue cable requires power and does not support digital USB audio (Les Numériques)
ColoursBlack, White Smoke, Driftwood Sand and Midnight Violet at launch; Bose UK now also sells Cherry Chocolate, Desert Gold and Olive GreenBlack, Blue, White, Lavender and Beige
In the boxHeadphones, carry case, 3.5 mm to 2.5 mm audio cable, USB-C to USB-C cable (99 cm), safety sheetHeadphones and USB-C-to-3.5 mm analogue cable; no charging cable. Les Numériques reports November 2025 retail availability, before the maker's later US June 2026 schedule

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